DNA Structure Quiz

What is the name of the twisted ladder shape of DNA?

• Double helix

• Single helix

• Spiral staircase

• Twisted ladder

The twisted ladder shape of DNA is known as a ____.

• Double helix

• Single helix

• Spiral staircase

• Twisted ladder

What is the name of the tiny packages of genetic information that are passed on from parents to offspring?

• Chromosomes

• Genes

• Alleles

• Gametes

What is the difference between a zebra's genotype and phenotype?

• The genotype is the zebra's physical traits, while the phenotype is its genetic blueprint.

• The genotype is the zebra's genetic blueprint, while the phenotype is its physical traits.

• The genotype is the zebra's stripes, while the phenotype is its DNA.

• The genotype is the zebra's DNA, while the phenotype is its stripes.

Fill in the blank: The genotype is the zebra's ________, while the phenotype is its physical traits.

• stripes

• DNA

• genetic blueprint

• physical traits